Restructuring and Related Charges - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 36,440		$ 36,440		$ 47,366
Restructuring and Related Cost, Incurred Cost	2,100	$ 5,800	34,900	$ 65,100
Restructuring Charges	(900)	1,800	26,450	54,500
Restructuring Charges Related to Inventory Disposals	(100)	200	300	600
Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	(400)		2,900
Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	2,500		32,000
FY20 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	54,800		54,800
FY20 Restructuring Actions [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	8,300		8,300
FY20 Restructuring Actions [Member] | Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	46,500		46,500
FY21 Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	76,700		76,700
FY21 Restructuring Actions [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	90,000		90,000
FY21 Restructuring Actions [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	95,000		95,000
FY21 Restructuring Actions [Member] | Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	5,800		5,800
FY21 Restructuring Actions [Member] | Metal Cutting
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	71,000		71,000
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Charges Recorded in Cost of Goods Sold or Operating Expense	3,000	$ 4,000	8,500	$ 10,600
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0		0		63
Restructuring Charges			0
Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	27,800		27,800		34,900
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 8,600		$ 8,600		$ 12,500